[s-cars] bad cats

[Sean Douglas]

When I'm pushing hard then shut off my car, the exhaust smells like
sulfur. Is this a sign of a bad cat or is the fuel to blame? FWIW, I'm
using Chevron 94 octane.

Sean

Sean Douglas
1997 Audi S6 - MTM Stage 1+
1990 Audi 90Q20V


> -----Original Message-----
> From: s-car-list-bounces+quattro20v=telus.net at audifans.com 
> [mailto:s-car-list-bounces+quattro20v=telus.net at audifans.com] 
> On Behalf Of Bill Healy
> Sent: Wednesday, May 12, 2004 4:11 AM
> To: s-car-list at audifans.com
> Subject: [s-cars] bad cats
> 
> 
> I recall a while back, the subject of stinky exhaust came up. 
>  I too have been plagued by it. I've also noticed a rattling 
> sound from within the cats upon acceleration. Our emissions 
> program here in Connecticut, thankfully has been suspended, 
> albeit temperarily, so I've got some time before I must 
> replace them.  I've got 205K on the car, so I can't complain. 
> I'm considering Stebro "high flow" cats. I've had good luck 
> with their stainless exhaust. Any BTDTs or recommendatios 
> with cats would be appreciated.
> 
> Thanks for the help.
> 
> Bill Healy
> '93 S4
> MTM 1+, H&R, bilstein, RS2 EM, stebro
> 
> 
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